Unsplash https://unsplash.com/

Free (do whatever you want*) high-resolution photos.
10 new photos every 10 days.

*Unsplash License

All photos published on Unsplash are licensed under Creative Commons Zero which means you can copy, modify, distribute and use the photos for free, including commercial purposes, without asking permission from or providing attribution to the photographer or Unsplash.

Picjumbo http://picjumbo.com/
totally free photos for your commercial & personal works

Gratisography http://www.gratisography.com/

Free high-resolution pictures you can use on your personal and commercial projects.
Click on an image to download the high-resolution version. New awesome pictures added weekly!
All pictures were photographed by Ryan McGuire and free of copyright restrictions.

Superfamous http://www.superfamous.com/

Superfamous is the Los Angeles-based studio of Dutch interaction designer Folkert Gorter.

Folkert’s photography is available under the conditions of a Creative Commons Attribution 3.0 license. This means that you can use the work for your own purposes — including commercial use — as long as credit is provided.

Littlevisuals http://littlevisuals.co/

Sign up to get 7 hi-res images zipped up in your inbox every 7 days. Use them anyway you want (Public Domain Dedication).

Splitshire http://splitshire.com/
Free stock photos for personal & commercial use.

Pixabay http://pixabay.com/
Pixabay – a repository for stunning public domain pictures. Your source for free vectors, free drawings and free photos. You can use any Pixabay image without attribution in digital and printed form, even for commercial applications.

I’m free http://www.imcreator.com/free
A curated collection of free resources, all for commercial use.

New Old Stock http://nos.twnsnd.co/
Vintage photos from the public archives
Free of known copyright restrictions.

Function Free Photos http://wefunction.com/category/free-photos/

Paul Jarvis Free Photos http://pjrvs.com/a/photos
Free High-Resolution Photos

Royalty free stock photos http://thestocks.im/

PictureFrog http://picturefrog.com/
Photos for free download

Death to stock photo http://join.deathtothestockphoto.com/

For commercial use, your blog posts, social accounts and mockups.
We aim to be just like coffee for the modern creative.

I’m Creator http://www.imcreator.com/free
A curated collection of free resources, all for commercial use.